Chapter 5.3, Problem 4EE

B. Practical Applications. Round as indicated.

Physics The metric unit of pressure is the pascal, where 1 lb/sq in. (psi) ≈ 6894 pascal (Pa), and 1 lb/sq ft (psf) ≈ 47.88 Pa For very large pressures, the kilopascal (kPa) is the appropriate unit.

1 kPa = 1000 Pa and therefore

1 psi ≈ 6.894 kPa and 1 psf ≈ 0.04788 kPa

Convert the following pressures to metric units:

1. (a) 15.0 psi = _____ Pa
2. (b) $10\bar{0}\text{psi}=\_\_\_\_\_\text{ kPa}$
3. (c) 40 psf = _____ Pa
4. (d) 2500 psf = _____ kPa